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228248514 = 23213975421
BaseRepresentation
bin11011001101011…
…00101111000010
3120220111020002200
431212230233002
5431412423024
634352054030
75441036364
oct1546545702
9526436080
10228248514
1110792753a
1264534316
1338397cc0
1422456d34
15150892c9
hexd9acbc2

228248514 has 24 divisors (see below), whose sum is σ = 532580412. Its totient is φ = 70230240.

The previous prime is 228248509. The next prime is 228248533. The reversal of 228248514 is 415842822.

228248514 is a `hidden beast` number, since 22 + 82 + 48 + 514 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187224489 + 41024025 = 13683^2 + 6405^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487477 + ... + 487944.

Almost surely, 2228248514 is an apocalyptic number.

228248514 is an abundant number, since it is smaller than the sum of its proper divisors (304331898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228248514 is a wasteful number, since it uses less digits than its factorization.

228248514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975442 (or 975439 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 228248514 is about 15107.8957502360. The cubic root of 228248514 is about 611.1333529781.

The spelling of 228248514 in words is "two hundred twenty-eight million, two hundred forty-eight thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 975421 1950842 2926263 5852526 8778789 12680473 17557578 25360946 38041419 76082838 114124257 228248514